ITEM NAME:4X 4-Pin Molex/IDE to 3-Pin CPU/Case Fan Power Connector Cable Adapters 20cm OZ This cable is used for connecting a Regular Molex IDE power connector to power a CPU / Chassis / Case Fan with 3 / 4pins Molex connector. Wire length: Approx. 20cm / 7.87 inch I am sure it the right thing you need now. Don't hesitate,.This cable is used for connecting a Regular Molex IDE power connector to power a CPU / Chassis / Case Fan with 3 / 4pins Molex connector. Wire length: Approx. 4 x Connector Cables. I am sure it the right thing you need now.